Problem	minstack
User	IWKR
Submission Time	2022-12-22 14:14:58
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

minstack.cpp: In function ‘void pop()’: minstack.cpp:12:13: error: ‘X’ was not declared in this scope 12 | v.pop_back(X); | ^